Electronic Parts/Guidelines - infoHouse

7
GLASS CONTAINER
general term applied to glass bottles and
jars. Also includes beverage containers
such as food, Ilquor, wine, beer, son drinks,
medical, toiletries, and chemicals.
GLASS, FLAT
category Including sheet or window glass,
plate glass, and laminated glass.
GLASS
an inorganic product of fusion that has
cooled to a rigid condition without Crystallizing.
Typically hard and brittle, and
having a conchoidal fracture. It may be
colorless or colored, and transparent to
opaque. Masses or bodies of glass may be
made colored, translucent or opaque by
the presence of dissolved, amorphous, or
crystalline materials. When a specific kind
of glass Is Indicated, descriptive terms as
flint glass, barium glass. and window glass
should be used following the basic definition,
but the qualifying term is to be used
as understood by trade custom. Objects
made of glass are loosely and popularly
referred to as glass; such as glass for a
tumbler, a barometer, a window, a magnifier,
or a mirror. (1)
GLASS, PRESSED AND BLQWN
glass category including a broad classi-
fication of kitchen and tableware, art
objects, noveity items and the like, lighting
and electronic glassware, and insulation
glassware, insulation and manufactured
products using glass fibre. (1)
GRAVITY SEPARATION
concentration or separation of a mix of
materials based on differences in specific
gravity and sizes of materials. (1)
GRINDING
particle-size reduction by attrition andlor
high-speed impact. (1)
GROUND WATER
water beneath the earth’s surface that 611s
.. -~ ~- - ---tl&~taund.~pockets (known 8s aquifers)
and moves between soil particles and rock,
supplying wells and springs. (7)
GROUNDWATER FLOW
flow of water in an aquifer or soil. That
portion of the discharge of a stream which
is derived from QrOUndWater. (1)
GROUNDWATER RUNOFF
that part of the groundwater which is dis-
charged into a stream channel as spring or
seepage water. (1)
GROUNDWATER, FREE
groundwater in aquifers not bounded or
confined by impervious strata. (1)
HAMMERMILL
1. A broad category of high-speed rotating
equipment that uses pivoted or fixed
hammers or cutters on a horizontal or vertical
shaft to crush, grind, chip or shred
materials (1). 2. A type of crusher or
shredder used to break up waste materials
into smaller pieces. (7)
HAUL DISTANCE
the distance a collection vehicle travels
from its last pickup stop to the solid waste
transfer station, processing facility, or sanitary
landfill. The distance a vehicle travels
from a solid waste transfer station or processing
facility to a point of final disposal.
The distance that cover materials must be
transported from an excavation or stockpile
to the working face of a sanitary landfill. (I)
HAZARDOUS WASTE
1. Waste material that may pose a threat to
human health or the environment, the disposal
and handling of which is regulated by
federal law (7). 2. Waste that requires
special precaution in its storage, coilection,
transportation, treatment or disposal
to prevent damage to persons or
property. there are no universally
accepted definitions for the term hazardous
waste, and each country defines the term
with its own criteria. In a general sense,
however, hazardous wastes include
explosive, flammable, volatile, radioactive,
toxic and pathological wastes.
HEAW METALS
hazardous elements inClUding cadmium,
chromium, mercury, and lead which may
be found in the waste stream as part of
discarded items such as batteries, lighting
fixtures, colorants and inks. (7)
HEAW-MEDIA SEPARATION
separation of solids into heavy and light
fractions in a fluid medium whose density
lies between the fractions. (1)
Appendix E. Glossary Of Terms 89